.cs * { box-sizing: border-box; }
.cs { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.cs h1,.cs h2,.cs h3,.cs h4 { line-height: 1.2; font-weight: 700; margin: 0; }
.cs p { line-height: 1.75; margin: 0; }
.cs a { text-decoration: none; }
.cs ul { list-style: none; margin: 0; padding: 0; }

.cs {
    --pink: #ff497c; --pink-dark: #e0345f; --pink-light: #fff0f4;
    --dark: #0f0f1a; --dark2: #1c1c30;
    --text: #2d2d3a; --muted: #6b7280; --border: #e5e7eb;
    --bg: #f9fafb; --white: #ffffff; --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,.07);
}

.cs .section    { padding: 96px 0; }
.cs .section-sm { padding: 64px 0; }
.cs .wrap       { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.cs .tag        { display: inline-block; background: var(--pink-light); color: var(--pink); font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 40px; letter-spacing: .4px; margin-bottom: 16px; }
.cs .text-center { text-align: center; }

.cs .btn-pink {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--pink); color: #fff; font-weight: 600; font-size: 15px;
    padding: 13px 28px; border-radius: 8px; border: none; cursor: pointer;
    transition: background .2s, transform .15s;
}
.cs .btn-pink:hover { background: var(--pink-dark); transform: translateY(-2px); color: #fff; }

/* PAGE HERO */
.cs .page-hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 60%, #1e0a30 100%);
    padding: 80px 0 72px; position: relative; overflow: hidden;
}
.cs .page-hero::before {
    content: ''; position: absolute; top: -30%; right: -5%;
    width: 500px; height: 500px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,73,124,.16) 0%, transparent 70%);
    pointer-events: none;
}
.cs .breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.cs .breadcrumb a    { font-size: 13px; color: rgba(255,255,255,.7); transition: color .2s; }
.cs .breadcrumb a:hover { color: var(--pink); }
.cs .breadcrumb span { font-size: 13px; color: rgba(255,255,255,.4); }
.cs .page-hero h1 { font-size: clamp(32px,4.5vw,52px); color: #fff; font-weight: 800; margin-bottom: 16px; }
.cs .page-hero h1 em { font-style: normal; color: var(--pink); }
.cs .page-hero p  { font-size: 17px; color: rgba(255,255,255,.65); line-height: 1.7; max-width: 560px; }

/* INDUSTRY FILTER CHIPS */
.cs .filter-bar { background: var(--white); border-bottom: 1px solid var(--border); padding: 0 24px; }
.cs .filter-inner { max-width: 1200px; margin: 0 auto; display: flex; gap: 8px; padding: 14px 0; flex-wrap: wrap; }
.cs .filter-chip {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--bg); border: 1px solid var(--border);
    color: var(--muted); font-size: 13px; font-weight: 500;
    padding: 7px 16px; border-radius: 40px; cursor: pointer;
    transition: background .2s, border-color .2s, color .2s;
}
.cs .filter-chip.active, .cs .filter-chip:hover {
    background: var(--pink-light); border-color: var(--pink); color: var(--pink);
}

/* CASE STUDY CARDS */
.cs .cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.cs .case-card {
    background: var(--white); border: 1px solid var(--border); border-radius: 16px;
    overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.cs .case-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,.1); }

.cs .case-header {
    padding: 28px 32px 24px; border-bottom: 1px solid var(--border);
    display: flex; align-items: flex-start; justify-content: space-between; gap: 16px;
}
.cs .case-industry {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--pink-light); color: var(--pink);
    font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px;
    margin-bottom: 12px;
}
.cs .case-header h3 { font-size: 20px; color: var(--dark); margin-bottom: 6px; }
.cs .case-header .client { font-size: 13px; color: var(--muted); }

.cs .case-results {
    display: grid; grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--border);
}
.cs .result-stat { padding: 20px 16px; text-align: center; border-right: 1px solid var(--border); }
.cs .result-stat:last-child { border-right: none; }
.cs .result-stat .num { font-size: 26px; font-weight: 800; color: var(--dark); margin-bottom: 2px; }
.cs .result-stat .num span { color: var(--pink); }
.cs .result-stat .lbl { font-size: 11px; color: var(--muted); line-height: 1.3; }

.cs .case-body { padding: 28px 32px; }

.cs .case-section { margin-bottom: 20px; }
.cs .case-section:last-child { margin-bottom: 0; }
.cs .case-label {
    font-size: 11px; font-weight: 700; color: var(--pink);
    text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px;
}
.cs .case-section p  { font-size: 14px; color: var(--muted); }
.cs .case-section ul li {
    font-size: 14px; color: var(--text); padding: 4px 0;
    display: flex; align-items: baseline; gap: 8px;
}
.cs .case-section ul li::before { content: '✓'; color: var(--pink); font-weight: 700; flex-shrink: 0; }

.cs .case-footer {
    padding: 20px 32px; background: var(--bg); border-top: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.cs .case-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.cs .case-tag {
    background: var(--white); border: 1px solid var(--border);
    font-size: 11px; color: var(--muted); padding: 3px 10px; border-radius: 20px;
}

/* QUOTE BLOCK */
.cs .quote-section { background: linear-gradient(135deg, var(--dark), var(--dark2)); }
.cs .quote-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.cs .quote-inner blockquote {
    font-size: clamp(20px, 3vw, 28px); color: #fff; font-style: italic;
    line-height: 1.55; margin: 0 0 24px;
}
.cs .quote-inner blockquote em { color: var(--pink); font-style: normal; }
.cs .quote-attr { font-size: 14px; color: rgba(255,255,255,.5); }

/* CTA BANNER */
.cs .cta-banner {
    background: linear-gradient(135deg, var(--pink), var(--pink-dark));
    padding: 80px 24px; text-align: center;
}
.cs .cta-banner h2 { font-size: clamp(26px,4vw,42px); color: #fff; margin-bottom: 12px; }
.cs .cta-banner p  { font-size: 17px; color: rgba(255,255,255,.85); margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cs .btn-white {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; color: var(--pink); font-weight: 700; font-size: 15px;
    padding: 14px 32px; border-radius: 8px; transition: transform .15s, box-shadow .2s;
}
.cs .btn-white:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,.2); }

@media (max-width: 900px) {
    .cs .cases-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .cs .case-results { grid-template-columns: 1fr 1fr; }
    .cs .case-results .result-stat:nth-child(2) { border-right: none; }
    .cs .case-results .result-stat:nth-child(3) { grid-column: 1 / -1; border-right: none; border-top: 1px solid var(--border); }
    .cs .case-body, .cs .case-header, .cs .case-footer { padding-left: 20px; padding-right: 20px; }
}